____ Chinese traditional painting, Sally has come to China to learn how to paint.
During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,
The film star wears sunglasses. Therefore, he can go shopping without ______.
We ______ back in the hotel now if you didn't lose the map.
Some people believe ______ has happened before or is happening now will repeat itself in the future.
I found the lecture hard to follow because it ______ when I arrived. started B. was starting C. would start D. had started